Ear plug



FIG. 1 is a front perspective view of an ear plug;

FIG. 2 is a top plan view of FIG. 1, the bottom plan view being a mirror image thereof;

FIG. 3 is right elevation view of FIG. 1, the left elevation view being a mirror image thereof;

FIG. 4 is a front elevation view of FIG. 1;

FIG. 5 is a rear elevation view of FIG. 1; and,

FIG. 6 is a section view taken along line 6-6 in FIG. 4. 

CLAIM The ornamental design for an ear plug, as shown and described. 